JP2004535724A - 無線通信システムのデータ伝送能力を向上させる方法及び装置 - Google Patents
無線通信システムのデータ伝送能力を向上させる方法及び装置 Download PDFInfo
- Publication number
- JP2004535724A JP2004535724A JP2003513140A JP2003513140A JP2004535724A JP 2004535724 A JP2004535724 A JP 2004535724A JP 2003513140 A JP2003513140 A JP 2003513140A JP 2003513140 A JP2003513140 A JP 2003513140A JP 2004535724 A JP2004535724 A JP 2004535724A
- Authority
- JP
- Japan
- Prior art keywords
- mobile device
- base station
- wireless communication
- communication system
- mobile devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004891 communication Methods 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 abstract description 9
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000003491 array Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/283—Power depending on the position of the mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30524001P | 2001-07-13 | 2001-07-13 | |
PCT/US2002/022181 WO2003007494A1 (fr) | 2001-07-13 | 2002-07-12 | Procede et dispositif pour renforcer la capacite d'emission de donnees d'un systeme de radiocommunications |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004535724A true JP2004535724A (ja) | 2004-11-25 |
Family
ID=23179962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003513140A Withdrawn JP2004535724A (ja) | 2001-07-13 | 2002-07-12 | 無線通信システムのデータ伝送能力を向上させる方法及び装置 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1407558A4 (fr) |
JP (1) | JP2004535724A (fr) |
WO (1) | WO2003007494A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009110545A1 (fr) * | 2008-03-06 | 2009-09-11 | 京セラ株式会社 | Procédé de communication et dispositif de station de base l'utilisant |
JP2010529721A (ja) * | 2007-05-18 | 2010-08-26 | クゥアルコム・インコーポレイテッド | 拡張されたパイロット信号 |
US8326318B2 (en) | 2007-05-01 | 2012-12-04 | Qualcomm Incorporated | Position location for wireless communication systems |
US8412227B2 (en) | 2007-05-18 | 2013-04-02 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4449836B2 (ja) * | 2005-06-27 | 2010-04-14 | 日本電気株式会社 | 適応アンテナ送受信装置 |
DE102006051587A1 (de) * | 2006-11-02 | 2008-05-08 | Robert Bosch Gmbh | Funkempfangssystem mit mehreren Empfangsantennen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06311160A (ja) * | 1993-04-21 | 1994-11-04 | Hitachi Ltd | 無線通信方式及び無線端末装置 |
US5485463A (en) * | 1994-09-09 | 1996-01-16 | Glenayre Electronics, Inc. | System for transmitting paging signals using time-division-multiplexing |
US5815116A (en) * | 1995-11-29 | 1998-09-29 | Trw Inc. | Personal beam cellular communication system |
US6301238B1 (en) * | 1997-01-28 | 2001-10-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Directional-beam generative apparatus and associated method |
US6438389B1 (en) * | 1998-07-24 | 2002-08-20 | The Board Of Trustees Of The Leland Stanford Junior University | Wireless communication system with adaptive beam selection |
-
2002
- 2002-07-12 WO PCT/US2002/022181 patent/WO2003007494A1/fr not_active Application Discontinuation
- 2002-07-12 EP EP02752298A patent/EP1407558A4/fr not_active Withdrawn
- 2002-07-12 JP JP2003513140A patent/JP2004535724A/ja not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8326318B2 (en) | 2007-05-01 | 2012-12-04 | Qualcomm Incorporated | Position location for wireless communication systems |
US9726752B2 (en) | 2007-05-01 | 2017-08-08 | Qualcomm Incorporated | Position location for wireless communication systems |
JP2010529721A (ja) * | 2007-05-18 | 2010-08-26 | クゥアルコム・インコーポレイテッド | 拡張されたパイロット信号 |
US8412227B2 (en) | 2007-05-18 | 2013-04-02 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
US8514988B2 (en) | 2007-05-18 | 2013-08-20 | Qualcomm Incorporated | Enhanced pilot signal receiver |
US9119026B2 (en) | 2007-05-18 | 2015-08-25 | Qualcomm Incorporated | Enhanced pilot signal |
US9198053B2 (en) | 2007-05-18 | 2015-11-24 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
WO2009110545A1 (fr) * | 2008-03-06 | 2009-09-11 | 京セラ株式会社 | Procédé de communication et dispositif de station de base l'utilisant |
Also Published As
Publication number | Publication date |
---|---|
WO2003007494A1 (fr) | 2003-01-23 |
EP1407558A1 (fr) | 2004-04-14 |
EP1407558A4 (fr) | 2004-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050705 |
|
A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20050816 |